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authorThomas Gleixner <tglx@linutronix.de>2007-10-19 20:35:02 +0200
committerThomas Gleixner <tglx@linutronix.de>2007-10-19 20:35:02 +0200
commitb17530bda22e7ffbf08f7a8a50743256b1672f6a (patch)
tree061c081e68d8dc6f7326d45bca97997b337efe27 /Documentation
parent764922376ca39085e217656af6784a3377d98566 (diff)
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x86: add force_hpet boot option
add force_hpet boot option. (this will be useful to make the forced-enable quirks depend on.) Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/kernel-parameters.txt6
1 files changed, 4 insertions, 2 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 189df0b..c6859b9 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -431,8 +431,10 @@ and is between 256 and 4096 characters. It is defined in the file
over the 8254 in addition to over the IO-APIC. The
kernel tries to set a sensible default.
- hpet= [X86-32,HPET] option to disable HPET and use PIT.
- Format: disable
+ hpet= [X86-32,HPET] option to control HPET usage
+ Format: { enable (default) | disable | force }
+ disable: disable HPET and use PIT instead
+ force: allow force enabled of undocumented chips (ICH4, VIA)
com20020= [HW,NET] ARCnet - COM20020 chipset
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